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378867744
TxAuBib
20170402120000.0
170903s2017||||||||||||||||||||||||eng|u
55482
Project Gutenberg
PGUSA
eng
TxAuBib
Roth, Lászlo,
1906-2005.
Machines at Work
[Gutenberg] /
Lászlo Roth.
Project Gutenberg,
2017.
Public domain in the USA.
Text.
Machinery -- Juvenile literature.
http://www.gutenberg.org/ebooks/55482